diff options
| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-10-20 20:57:42 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-10-24 17:54:16 +0200 |
| commit | 035aa3dec811315a9e3613cd9ab818e584d7c21d (patch) | |
| tree | 5433a21324714e52de3642123f7f38d4ae684883 /drivers/gpu/drm/i915/intel_dp.c | |
| parent | 82ed61fa1a4e08d5f9e86fb1b715b50ed678b6ac (diff) | |
drm/i915: enable/disable backlight for eDP
Like we already do for the LVDS panels. This seems to help greatly
in setting up the backlight, since the BIOS might refuse to cooperate.
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
v2: Move the backlight_off call from panel_off to edp_backlight_off,
noticed by Paulo Zanoni.
Reviewed-by: Paulo Zanoni <przanoni@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index d459cc72db64..da526c9a9cef 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1164,6 +1164,7 @@ static void ironlake_edp_backlight_on(struct intel_dp *intel_dp) { struct drm_device *dev = intel_dp->base.base.dev; struct drm_i915_private *dev_priv = dev->dev_private; + int pipe = to_intel_crtc(intel_dp->base.base.crtc)->pipe; u32 pp; if (!is_edp(intel_dp)) @@ -1181,6 +1182,8 @@ static void ironlake_edp_backlight_on(struct intel_dp *intel_dp) pp |= EDP_BLC_ENABLE; I915_WRITE(PCH_PP_CONTROL, pp); POSTING_READ(PCH_PP_CONTROL); + + intel_panel_enable_backlight(dev, pipe); } static void ironlake_edp_backlight_off(struct intel_dp *intel_dp) @@ -1192,6 +1195,8 @@ static void ironlake_edp_backlight_off(struct intel_dp *intel_dp) if (!is_edp(intel_dp)) return; + intel_panel_disable_backlight(dev); + DRM_DEBUG_KMS("\n"); pp = ironlake_get_pp_control(dev_priv); pp &= ~EDP_BLC_ENABLE; |